Percentage Calculator
Calculate percentage values, percentage of total, and percentage differences with step-by-step formulas.
Percentage Increase Calculator
Calculate the percentage growth or increase from an initial value to a new value.
Percentage Decrease Calculator
Calculate the percentage reduction, drop, or decrease from an initial value to a new value.
Average Calculator
Calculate arithmetic mean, median, mode, range, sum, count, and standard deviation for any dataset.
Ratio Calculator
Simplify ratios to lowest terms, find greatest common divisors (GCD), and compute equivalent scaled ratios.
Proportion Calculator
Solve for missing values in proportional equations (A / B = C / D) using cross multiplication.
Discount Calculator
Calculate sale prices, total savings, and final costs after percentage discounts and optional sales tax.
Profit Margin Calculator
Calculate gross profit, profit margin percentage, and markup percentage from cost and revenue.
Markup Calculator
Calculate the optimal selling price, gross profit, and profit margin based on item cost and desired markup.
VAT Calculator
Calculate Value Added Tax (VAT), gross prices, and net prices in inclusive or exclusive modes.
GST Calculator
Calculate Goods and Services Tax (GST) with CGST, SGST, IGST breakdowns for inclusive and exclusive amounts.
Age Calculator
Calculate exact chronological age in years, months, days, weeks, hours, and find days until next birthday.
Date Difference Calculator
Calculate the exact number of days, weeks, months, years, and business days between two calendar dates.
Time Duration Calculator
Calculate elapsed time, hours, minutes, and decimal hours between two clock times.